Mainstays 6” Medium Firm Memory Foam Mattress, Twin
Mainstays 6” Medium Firm Memory Foam Mattress, Twin
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Mainstays 6” Medium Firm Memory Foam Mattress, Twin

4.3 stars out of 4266 reviews
(4.3)|
4,266 ratings

Key item features

  • Versatile Design: 6" profile fits guest rooms, teen rooms, dorms, trundle beds, and bunk beds.
  • Universal Comfort: Medium firmness suitable for side, back, and stomach sleepers.
  • Enhanced Breathability: Soft, durable cover improves airflow and comfort.
  • Specialty Infusions: Green Tea Infused Memory Foam and Liquid Gel Flex Foam keep you cool and comfortable.
  • Motion Isolation: Minimizes movement transfer for undisturbed sleep.
  • Wide Compatibility: Works with platform beds, slatted frames, adjustable bases, or traditional box springs.
  • Safety Certified: CertiPUR-US certified foam ensures a safe sleep environment.
  • Convenient Shipping: Ships compressed and rolled; expands fully within 48-72 hours.
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Current price is $79.88
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Comparison Chart:
Mattress Top TypeTight TopMainstays 6” Medium Firm Memory Foam Mattress, TwinTight TopAtlas Mattress 6" Twin Gel Memory Foam Mattress, Breathable Cover, Medium FirmnessTight TopSailvan Twin Mattress in a Box, Twin Bed Mattress 8 inch, Memory Foam Mattress Twin, Twin Size Mattress Medium Firm, with Washable Cover, for Pressure Relief, WhiteTight TopAvenco Victoria 6" Medium Gel Memory Foam Cooling Motion Isolation Mattress, Twin SizePillow TopTwin Mattress, JIAVA 8" Medium Gel Memory Foam Mattress in a Box,Adult,Twin size-CONCETTA 3" Full Size Tri-Fold Memory Foam Mattress, Foldable MattressTight TopMainstays 6" Innerspring Tight Top Mattress with Gel Foam, TwinTight TopEGOHOME TrueZen Twin Mattress, 5" Memory Foam Mattresses in a Box, MediumEuro TopJIOABL 4 Inch Single Size Tri-fold Memory Foam Mattress, Portable Foldable Floor Bed with CertiPUR-US Certified, WhiteEuro TopBabyqueen Twin Mattress 8 inch Gel Memory Foam for Pressure Relief, High Density Support Foam, Medium Firm, CertiPUR-US Certified, Mattress in a Box
Mattress TypeMemory Foam MattressesMainstays 6” Medium Firm Memory Foam Mattress, TwinMemory Foam MattressesAtlas Mattress 6" Twin Gel Memory Foam Mattress, Breathable Cover, Medium FirmnessMemory Foam MattressesSailvan Twin Mattress in a Box, Twin Bed Mattress 8 inch, Memory Foam Mattress Twin, Twin Size Mattress Medium Firm, with Washable Cover, for Pressure Relief, WhiteMemory Foam MattressesAvenco Victoria 6" Medium Gel Memory Foam Cooling Motion Isolation Mattress, Twin SizeMemory Foam MattressesTwin Mattress, JIAVA 8" Medium Gel Memory Foam Mattress in a Box,Adult,Twin sizeMemory Foam MattressesCONCETTA 3" Full Size Tri-Fold Memory Foam Mattress, Foldable MattressInnerspring MattressesMainstays 6" Innerspring Tight Top Mattress with Gel Foam, TwinMemory Foam MattressesEGOHOME TrueZen Twin Mattress, 5" Memory Foam Mattresses in a Box, MediumMemory Foam MattressesJIOABL 4 Inch Single Size Tri-fold Memory Foam Mattress, Portable Foldable Floor Bed with CertiPUR-US Certified, WhiteMemory Foam MattressesBabyqueen Twin Mattress 8 inch Gel Memory Foam for Pressure Relief, High Density Support Foam, Medium Firm, CertiPUR-US Certified, Mattress in a Box
Mattress Comfort LevelFirmMainstays 6” Medium Firm Memory Foam Mattress, TwinMediumAtlas Mattress 6" Twin Gel Memory Foam Mattress, Breathable Cover, Medium FirmnessMediumSailvan Twin Mattress in a Box, Twin Bed Mattress 8 inch, Memory Foam Mattress Twin, Twin Size Mattress Medium Firm, with Washable Cover, for Pressure Relief, WhiteMediumAvenco Victoria 6" Medium Gel Memory Foam Cooling Motion Isolation Mattress, Twin SizeMediumTwin Mattress, JIAVA 8" Medium Gel Memory Foam Mattress in a Box,Adult,Twin sizeMediumCONCETTA 3" Full Size Tri-Fold Memory Foam Mattress, Foldable MattressFirmMainstays 6" Innerspring Tight Top Mattress with Gel Foam, TwinMediumEGOHOME TrueZen Twin Mattress, 5" Memory Foam Mattresses in a Box, MediumFirmJIOABL 4 Inch Single Size Tri-fold Memory Foam Mattress, Portable Foldable Floor Bed with CertiPUR-US Certified, WhiteMediumBabyqueen Twin Mattress 8 inch Gel Memory Foam for Pressure Relief, High Density Support Foam, Medium Firm, CertiPUR-US Certified, Mattress in a Box
FeaturesMattress-in-a-BoxMainstays 6” Medium Firm Memory Foam Mattress, TwinBreathable ConstructionAtlas Mattress 6" Twin Gel Memory Foam Mattress, Breathable Cover, Medium FirmnessMattress-in-a-BoxSailvan Twin Mattress in a Box, Twin Bed Mattress 8 inch, Memory Foam Mattress Twin, Twin Size Mattress Medium Firm, with Washable Cover, for Pressure Relief, WhiteMattress-in-a-BoxAvenco Victoria 6" Medium Gel Memory Foam Cooling Motion Isolation Mattress, Twin SizeMattress-in-a-BoxTwin Mattress, JIAVA 8" Medium Gel Memory Foam Mattress in a Box,Adult,Twin sizeCooling TechnologyCONCETTA 3" Full Size Tri-Fold Memory Foam Mattress, Foldable MattressMattress-in-a-BoxMainstays 6" Innerspring Tight Top Mattress with Gel Foam, TwinMattress-in-a-BoxEGOHOME TrueZen Twin Mattress, 5" Memory Foam Mattresses in a Box, MediumFoldingJIOABL 4 Inch Single Size Tri-fold Memory Foam Mattress, Portable Foldable Floor Bed with CertiPUR-US Certified, WhiteRemovable CoverBabyqueen Twin Mattress 8 inch Gel Memory Foam for Pressure Relief, High Density Support Foam, Medium Firm, CertiPUR-US Certified, Mattress in a Box
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In 200+ people's carts (2 pack) Mainstays Comfort Complete Bed Pillow, Standard/Queen $6.88 $3.44/ea

In 200+ people's carts
(2 pack) Mainstays Comfort Complete Bed Pillow, Standard/Queen
current price $6.88
$3.44/ea

(2 pack) Mainstays Comfort Complete Bed Pillow, Standard/Queen

4.3 out of 5 Stars. 33428 reviews
Current price is
$223.40
was $235.40
Items may be delivered on different dates

Customer ratings & reviews

4.3 out of 5 stars
stars4,266 ratings999 reviews
How item rating is calculated

Reviews summary

Pros
  • : Offers great value at this cost.
  • : Made of a material that provides a comfortable sleeping surface.
  • : Offers a restful night's sleep with adequate support.
  • : Reduces or eliminates back pain during and after use.
Cons
  • : Inadequate for larger adults or specific needs.
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Showing 1-3 of 999 reviews

Oct 22, 2024
Reyna
Item details
Bed size: Queen
Mattress thickness: 8 in
5 out of 5 stars review

Verified Purchase

Love it !

So I waited a copy of days to post my opinion! Me and hubby were having trouble getting rest ..so I decided to buy this item …let me tell you it is very comfortable. It expanded amazingly well maybe even bigger.. I follow all instructions—- no smell ..All comfortable I got a queen size price was good. Thank you

Helpful?6IHJLHTKI56T3533748366
Apr 19, 2025
WalmartCustomer
Item details
Bed size: King
Mattress thickness: 10 in
5 out of 5 stars review

Verified Purchase

After letting the mattress sit for about 36 hours, we tried it out for one night. I have terrible back pain from my work but this mattress was like sleeping on clouds. Very comfortable

Incentivized Review
Helpful?6IHJLHTKI56T3533748366
Jul 13, 2025
anonymous
Item details
Bed size: Twin
Mattress thickness: 8 in
5 out of 5 stars review

Verified Purchase

Like a glove

I had purchased this for a daybed for adult daughter to visit but when I say I decided to spend a couple of night on it to see how the bed held up when I say this was the most comfortable nights i spent in a long time, I have nerve damage in both hips and normally I'm tossing and turn but I woke up feeling energized and not as much pain it's still there but not as bad. The bed cup my body like a glove. This is my honest opinion now I'm looking to purchase for my queen size bed. Also I purchased the daybed here too

Helpful?6IHJLHTKI56T3533748366